diff options
| author |   Roland Dreier <roland@eddore.topspincom.com> | 2005-08-19 10:59:31 -0700 |
|---|---|---|
| committer |   Roland Dreier <rolandd@cisco.com> | 2005-08-26 20:37:37 -0700 |
| commit | ec34a922d243c3401a694450734e9effb2bafbfe (patch) | |
| tree | 7d79ed1848d1b63665d7565274c1d2b56d09df9d /drivers/infiniband/hw/mthca/mthca_provider.h | |
| parent | [PATCH] IB/mthca: Handle context tables smaller than our chunk size (diff) | |
| download | linux-dev-ec34a922d243c3401a694450734e9effb2bafbfe.tar.xz linux-dev-ec34a922d243c3401a694450734e9effb2bafbfe.zip | |
[PATCH] IB/mthca: Add SRQ implementation
Add mthca support for shared receive queues (SRQs),
including userspace SRQs.
Signed-off-by: Roland Dreier <rolandd@cisco.com>
Diffstat (limited to 'drivers/infiniband/hw/mthca/mthca_provider.h')
| -rw-r--r-- | drivers/infiniband/hw/mthca/mthca_provider.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/mthca/mthca_provider.h b/drivers/infiniband/hw/mthca/mthca_provider.h index b95249ee46cf..024015678c8a 100644 --- a/drivers/infiniband/hw/mthca/mthca_provider.h +++ b/drivers/infiniband/hw/mthca/mthca_provider.h @@ -197,6 +197,29 @@ struct mthca_cq { wait_queue_head_t wait; }; +struct mthca_srq { + struct ib_srq ibsrq; + spinlock_t lock; + atomic_t refcount; + int srqn; + int max; + int max_gs; + int wqe_shift; + int first_free; + int last_free; + u16 counter; /* Arbel only */ + int db_index; /* Arbel only */ + __be32 *db; /* Arbel only */ + void *last; + + int is_direct; + u64 *wrid; + union mthca_buf queue; + struct mthca_mr mr; + + wait_queue_head_t wait; +}; + struct mthca_wq { spinlock_t lock; int max; @@ -277,6 +300,11 @@ static inline struct mthca_cq *to_mcq(struct ib_cq *ibcq) return container_of(ibcq, struct mthca_cq, ibcq); } +static inline struct mthca_srq *to_msrq(struct ib_srq *ibsrq) +{ + return container_of(ibsrq, struct mthca_srq, ibsrq); +} + static inline struct mthca_qp *to_mqp(struct ib_qp *ibqp) { return container_of(ibqp, struct mthca_qp, ibqp); |